:root {
  --night: #081825;
  --night-2: #102b3a;
  --night-3: #163b4e;
  --cyan: #03cde9;
  --orange: #ff5a31;
  --gold: #ffcf38;
  --paper: #f2f7f8;
  --white: #fff;
  --ink: #102332;
  --muted: #617481;
  --line: #c9dce2;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--night); color: var(--white); font-family: "Noto Sans SC", "Microsoft YaHei", "PingFang SC", sans-serif; }
button, a { -webkit-tap-highlight-color: transparent; }
button { font: inherit; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
:focus-visible { outline: 3px solid var(--gold); outline-offset: 4px; }
::selection { background: var(--gold); color: var(--night); }

.site-shell { width: 100%; overflow: clip; }
.site-header { position: relative; z-index: 10; display: flex; align-items: center; justify-content: space-between; gap: 1.5rem; max-width: 1600px; margin: auto; padding: 22px clamp(24px, 5vw, 82px); }
.brand { display: inline-flex; align-items: center; gap: 13px; min-width: 0; }
.brand-icon { display: grid; place-items: center; width: 55px; height: 55px; flex: 0 0 auto; overflow: hidden; border: 2px solid var(--gold); border-radius: 11px; background: #fff; }
.brand-icon img { display: block; width: 100%; height: 100%; object-fit: cover; }
.brand-name { display: flex; flex-direction: column; white-space: nowrap; font-size: 20px; font-weight: 900; letter-spacing: -.035em; line-height: 1.15; }
.brand-name small { margin-top: 5px; color: #a9cbd3; font-size: 9px; font-weight: 800; letter-spacing: .17em; }
.site-header nav { display: flex; align-items: center; gap: 28px; font-size: 14px; font-weight: 800; }
.site-header nav > a:first-child { color: #bed0d9; }
.site-header nav > a:first-child:hover { color: #fff; }
.nav-cta { display: inline-flex; align-items: center; gap: 14px; padding: 12px 16px; border: 1px solid var(--gold); color: var(--gold); }
.nav-cta:hover { background: var(--gold); color: var(--night); }

.hero { position: relative; display: grid; grid-template-columns: minmax(0, 1.07fr) minmax(360px, .93fr); align-items: center; min-height: 600px; max-width: 1600px; margin: auto; padding: 40px clamp(24px, 5vw, 82px) 70px; isolation: isolate; }
.hero::before { content: ""; position: absolute; inset: -120px -150px 0 40%; z-index: -2; background: repeating-linear-gradient(132deg, transparent 0 117px, #1b3c4d 119px 121px, transparent 123px 189px); opacity: .55; }
.hero::after { content: ""; position: absolute; right: -80px; bottom: 46px; width: 620px; height: 190px; z-index: -1; transform: rotate(-27deg); background: linear-gradient(90deg, var(--orange) 0 19%, transparent 19% 25%, var(--cyan) 25% 43%, transparent 43%); opacity: .82; }
.hero-copy { position: relative; z-index: 2; max-width: 720px; }
.eyebrow { margin: 0 0 22px; color: var(--cyan); font-size: 14px; font-weight: 900; letter-spacing: .13em; }
.signal { display: inline-block; width: 9px; height: 9px; margin-right: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 0 6px #03cde926; vertical-align: 1px; }
.hero-lede { max-width: 510px; margin: 16px 0 0; color: #e2f0f4; font-size: clamp(18px, 1.7vw, 21px); font-weight: 600; line-height: 1.8; }
.hero-actions { display: flex; align-items: center; gap: 22px; flex-wrap: wrap; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 27px; min-height: 54px; padding: 13px 21px; border: 2px solid transparent; border-radius: 4px; cursor: pointer; font-size: 15px; font-weight: 900; line-height: 1.2; transition: transform .18s ease, background .18s ease, border-color .18s ease, color .18s ease; }
.button:hover { transform: translateY(-3px); }
.button-primary { background: var(--orange); color: #fff; box-shadow: 7px 7px 0 #ff5a3138; }
.button-primary:hover { background: #ee471e; }
.button-outline { border-color: #7597a3; color: #fff; background: transparent; }
.button-outline:hover { border-color: var(--cyan); color: var(--cyan); }
.button-light { background: var(--gold); color: var(--night); }
.hero-meta { color: #819fad; font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.hero-art { position: relative; min-height: 490px; }
.hero-ring { position: absolute; top: 46%; left: 53%; width: 570px; height: 570px; border: 1px solid #23516a; border-radius: 50%; transform: translate(-50%, -50%); }
.ring-two { width: 415px; height: 415px; border-color: #38647a; }
.hero-slash { position: absolute; width: 44px; height: 150%; top: -25%; transform: rotate(22deg); }
.slash-one { left: 63%; background: var(--gold); }
.slash-two { left: 73%; background: var(--cyan); }
.poster-stack { position: absolute; top: 50%; left: 49%; width: 295px; height: 420px; overflow: hidden; border: 8px solid #f5fbfc; border-radius: 8px; background: #fff; box-shadow: 0 35px 40px #0008; }
.poster-stack img { display: block; width: 100%; height: auto; }
.poster-back { transform: translate(-17%, -47%) rotate(14deg); opacity: .82; }
.poster-front { transform: translate(-69%, -52%) rotate(-10deg); }
.hero-stamp { position: absolute; right: 2%; bottom: 2%; display: flex; flex-direction: column; align-items: center; justify-content: center; width: 128px; height: 128px; border: 4px solid var(--gold); border-radius: 50%; background: var(--night); color: var(--gold); font-family: Impact, "Arial Black", sans-serif; font-size: 56px; line-height: .95; transform: rotate(12deg); }
.hero-stamp span { margin-top: 8px; font-family: inherit; font-size: 13px; font-weight: 900; letter-spacing: .08em; }
.hero-bottom { position: absolute; right: clamp(24px, 5vw, 82px); bottom: 28px; left: clamp(24px, 5vw, 82px); display: flex; justify-content: space-between; padding-top: 18px; border-top: 1px solid #2a5365; color: #749bab; font-family: Impact, "Arial Narrow", sans-serif; font-size: 12px; letter-spacing: .18em; }

.price-guide { padding: clamp(70px, 8vw, 116px) clamp(24px, 5vw, 82px) 120px; background: var(--paper); color: var(--ink); }
.price-guide > * { max-width: 1436px; margin-right: auto; margin-left: auto; }
.section-heading { margin-bottom: 35px; }
.eyebrow-dark { margin-bottom: 12px; color: var(--orange); }
.section-heading h2 { margin: 0; font-size: clamp(40px, 4vw, 64px); font-weight: 900; letter-spacing: -.065em; line-height: 1.2; }
.section-heading p:last-child { max-width: 700px; margin: 16px 0 0; color: var(--muted); font-size: 16px; line-height: 1.8; }
.category-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 14px; margin-bottom: 28px; }
.category-card { position: relative; display: flex; flex-direction: column; align-items: flex-start; min-height: 180px; padding: 22px 22px 20px; overflow: hidden; border: 2px solid #cfdee3; border-top: 6px solid var(--ink); border-radius: 4px; background: #fff; color: var(--ink); text-align: left; cursor: pointer; transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease; }
.category-card:hover { transform: translateY(-5px); box-shadow: 0 16px 28px #10233216; }
.category-card.is-active { border-color: var(--orange); border-top-color: var(--orange); box-shadow: 8px 8px 0 #ff5a3133; }
.category-top { display: flex; align-items: center; gap: 8px; color: var(--muted); }
.category-glyph { display: inline-grid; place-items: center; width: 29px; height: 29px; border: 1px solid #accbd3; color: var(--orange); font-size: 21px; font-weight: 900; }
.category-type { font-family: Impact, "Arial Narrow", sans-serif; font-size: 13px; letter-spacing: .11em; }
.category-card strong { margin-top: 14px; font-size: clamp(19px, 1.55vw, 25px); font-weight: 900; letter-spacing: -.04em; }
.category-description { margin-top: 9px; padding-right: 15px; color: var(--muted); font-size: 13px; line-height: 1.5; }
.category-arrow { position: absolute; right: 15px; bottom: 10px; color: var(--orange); font-size: 25px; font-weight: 900; }

.poster-panel { display: grid; grid-template-columns: minmax(290px, .75fr) minmax(0, 1.25fr); gap: 0; overflow: hidden; border: 1px solid #31576a; border-radius: 7px; background: var(--night); color: #fff; box-shadow: 0 30px 60px #10233228; }
.poster-info { display: flex; flex-direction: column; align-items: flex-start; padding: clamp(32px, 4vw, 65px); background: radial-gradient(circle at 10% 5%, #244658 0, transparent 35%), var(--night); }
.poster-overline { color: var(--cyan); font-family: Impact, "Arial Narrow", sans-serif; font-size: 17px; letter-spacing: .17em; }
.poster-info h3 { margin: 20px 0 0; font-size: clamp(37px, 3.2vw, 55px); font-weight: 900; letter-spacing: -.07em; line-height: 1.25; }
.poster-info > p:not(.poster-hint) { max-width: 370px; margin: 20px 0 0; color: #adc5cf; font-size: 16px; line-height: 1.85; }
.poster-specs { display: grid; gap: 18px; align-self: stretch; margin-top: 54px; padding-top: 25px; border-top: 1px solid #355264; }
.poster-specs > div { display: flex; justify-content: space-between; gap: 14px; font-size: 14px; }
.poster-specs span { color: #7ea4b3; }
.poster-specs strong { font-weight: 800; text-align: right; }
.poster-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 34px; }
.poster-hint { max-width: 360px; margin: auto 0 0; padding-top: 40px; color: #7898a5; font-size: 12px; line-height: 1.7; }
.poster-frame { min-width: 0; padding: 18px; background: repeating-linear-gradient(132deg, #122c3b 0 97px, #18394a 98px 100px, #122c3b 101px 162px); }
.frame-label { display: flex; justify-content: space-between; gap: 10px; padding: 10px 8px 15px; color: #b4d4dd; font-family: Impact, "Arial Narrow", sans-serif; font-size: 12px; letter-spacing: .11em; }
.frame-label span:last-child { color: #668c9a; }
.frame-dot { width: 8px; height: 8px; margin: 4px -1px 0 0; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 13px var(--cyan); }
.poster-scroll { display: flex; align-items: flex-start; justify-content: center; height: min(72vh, 780px); min-height: 480px; overflow: auto; overscroll-behavior: contain; border: 4px solid #335266; border-radius: 3px; background: #0a1824; scrollbar-color: var(--orange) #1a3a49; }
.poster-image-button { display: block; width: min(100%, 650px); padding: 0; border: 0; background: transparent; flex: 0 0 auto; cursor: zoom-in; }
.poster-image-button img { display: block; width: 100%; height: auto; }
.poster-frame.is-landscape .poster-scroll { height: auto; min-height: 0; align-items: center; }
.poster-frame.is-landscape .poster-image-button { width: 100%; }

.closing { display: flex; align-items: center; justify-content: space-between; gap: 28px; max-width: 1600px; min-height: 370px; margin: auto; padding: 60px clamp(24px, 5vw, 82px); background: var(--night); }
.closing-mark { align-self: stretch; min-width: 150px; color: #234e5e; font-family: Impact, sans-serif; font-size: 240px; line-height: 1; overflow: hidden; }
.closing h2 { margin: 0; font-size: clamp(38px, 4vw, 62px); font-weight: 900; letter-spacing: -.06em; line-height: 1.25; }
.closing .eyebrow { margin-bottom: 9px; }
.site-footer { display: flex; justify-content: space-between; gap: 15px; max-width: 1600px; margin: auto; padding: 25px clamp(24px, 5vw, 82px) 45px; border-top: 1px solid #294657; color: #90adb9; font-size: 12px; line-height: 1.7; }

.poster-dialog { width: min(96vw, 1340px); height: min(94vh, 1180px); max-width: none; max-height: none; padding: 0; overflow: hidden; border: 2px solid var(--cyan); border-radius: 8px; background: var(--night); color: white; box-shadow: 0 30px 100px #000a; }
.poster-dialog::backdrop { background: #020910d9; backdrop-filter: blur(7px); }
.poster-dialog.is-landscape { height: max-content; min-height: 0; max-height: 94vh; }
.poster-dialog.is-landscape .dialog-stage { height: auto; max-height: calc(94vh - 76px); }
.dialog-header { display: flex; align-items: center; justify-content: space-between; gap: 15px; min-height: 76px; padding: 12px 17px 12px 24px; border-bottom: 1px solid #355363; }
.dialog-header > div:first-child { display: flex; flex-direction: column; gap: 3px; }
.dialog-header > div:first-child span { color: var(--cyan); font-size: 11px; font-weight: 900; letter-spacing: .12em; }
.dialog-header strong { font-size: 18px; }
.dialog-controls { display: flex; align-items: center; gap: 6px; }
.dialog-controls button { display: grid; place-items: center; min-width: 38px; min-height: 38px; padding: 0 8px; border: 1px solid #537282; border-radius: 4px; background: #143142; color: #fff; cursor: pointer; font-size: 19px; }
.dialog-controls button:hover { border-color: var(--cyan); color: var(--cyan); }
.dialog-controls #zoom-reset { font-size: 12px; font-weight: 900; }
.dialog-controls .dialog-close { margin-left: 9px; border-color: var(--orange); color: var(--orange); font-size: 28px; }
.dialog-stage { height: calc(100% - 76px); overflow: auto; background: #0d2532; text-align: center; scrollbar-color: var(--orange) #1c3847; }
.dialog-stage img { display: block; width: 100%; max-width: none; height: auto; margin: 0 auto; }

@media (max-width: 1050px) {
  .hero { grid-template-columns: 1fr 440px; min-height: 560px; }
  .hero-art { min-height: 450px; }
  .poster-stack { width: 225px; height: 340px; }
  .hero-ring { width: 450px; height: 450px; }
  .ring-two { width: 330px; height: 330px; }
  .hero-stamp { right: 0; bottom: 0; width: 104px; height: 104px; font-size: 44px; }
  .category-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 780px) {
  .site-header { padding-top: 14px; padding-bottom: 14px; }
  .site-header nav > a:first-child { display: none; }
  .hero { display: flex; flex-direction: column; align-items: stretch; min-height: 0; padding-top: 70px; padding-bottom: 82px; }
  .hero-lede { max-width: 610px; }
  .hero-art { width: 100%; min-height: 410px; margin-top: 20px; }
  .hero-slash { height: 120%; top: -8%; }
  .hero-stamp { right: 12%; }
  .poster-panel { grid-template-columns: 1fr; }
  .poster-info { padding: 34px; }
  .poster-specs { margin-top: 25px; }
  .poster-hint { margin: 0; padding-top: 22px; }
  .poster-scroll { height: min(70vh, 750px); }
  .closing-mark { display: none; }
}

@media (max-width: 540px) {
  .brand-icon { width: 43px; height: 43px; }
  .brand-name { font-size: 16px; }
  .brand-name small { font-size: 7px; }
  .nav-cta { gap: 5px; padding: 9px 10px; font-size: 12px; }
  .hero { padding-top: 35px; padding-bottom: 42px; }
  .hero-lede { font-size: 15px; }
  .hero-actions { gap: 14px; }
  .hero-meta { font-size: 11px; }
  .hero-art { min-height: 275px; margin-top: 12px; }
  .poster-stack { width: 155px; height: 235px; border-width: 6px; }
  .poster-front { transform: translate(-74%, -50%) rotate(-10deg); }
  .poster-back { transform: translate(-15%, -46%) rotate(14deg); }
  .hero-ring { width: 290px; height: 290px; }
  .ring-two { width: 215px; height: 215px; }
  .hero-stamp { right: 2%; bottom: 2%; width: 74px; height: 74px; border-width: 3px; font-size: 32px; }
  .hero-stamp span { font-size: 10px; }
  .hero-bottom { font-size: 10px; }
  .price-guide { padding-top: 52px; padding-bottom: 76px; }
  .section-heading h2 { font-size: 38px; }
  .section-heading p:last-child { font-size: 14px; }
  .category-grid { gap: 9px; }
  .category-card { min-height: 158px; padding: 16px 13px; }
  .category-card strong { font-size: 18px; }
  .category-type { font-size: 10px; }
  .category-description { font-size: 11px; }
  .category-arrow { right: 8px; bottom: 4px; }
  .poster-info { padding: 28px 22px; }
  .poster-info h3 { font-size: 40px; }
  .poster-info > p:not(.poster-hint) { font-size: 14px; }
  .poster-specs > div { font-size: 12px; }
  .poster-actions .button { flex: 1 1 auto; }
  .poster-frame { padding: 9px; }
  .frame-label { font-size: 9px; }
  .poster-scroll { min-height: 360px; height: 62vh; }
  .closing { display: block; min-height: 0; padding-top: 70px; padding-bottom: 70px; }
  .closing h2 { margin-bottom: 30px; font-size: 38px; }
  .site-footer { flex-direction: column; }
  .dialog-header { padding: 9px; }
  .dialog-header strong { font-size: 14px; }
  .dialog-controls { gap: 3px; }
  .dialog-controls button { min-width: 31px; min-height: 32px; padding: 0 5px; font-size: 15px; }
  .dialog-controls .dialog-close { margin-left: 2px; font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}
